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Linux Hardware Reviews, Performance Benchmarks & Open-Source / Free Software News
Updated: 1 hour 14 min ago

NVIDIA Engineer Revives Work On Linux Proactive Memory Compaction

Tue, 05/19/2020 - 06:11
One of the interesting patch series initially published back in 2019 by NVIDIA engineer Nitin Gupta was on proactive memory compaction for the Linux kernel while so far in 2020 it hasn't yet been merged but a fifth revision to the work was published today...

Xeon Gold 6250 vs. EPYC 7F32 - 8-Core Server CPU Performance On Ubuntu 20.04

Tue, 05/19/2020 - 01:00
Launched last month were the AMD EPYC 7Fx2 CPUs as new high frequency SKUs and with larger L3 cache sizes. Following our initial EPYC 7F52 benchmarking we moved on to testing the EPYC 7F32 and today are putting it head-to-head against the Xeon Gold 6250 and other EPYC/Xeon SKUs while running Ubuntu 20.04 LTS.

OpenBSD Seeing Initial Work Land On Enabling 64-bit POWER

Mon, 05/18/2020 - 22:51
It's arguably long overdue but OpenBSD is seeing initial work on POWERPC64 enablement landing in its source tree...

GCC 11 Adds CPU Detection For Newer Intel Families

Mon, 05/18/2020 - 21:15
Adding to the early changes accumulating for the GCC 11 development cycle is automatic CPU detection support for newer families of Intel CPUs...

XSAVES Supervisor States For Linux 5.8 To Support Future Intel CPU Features

Mon, 05/18/2020 - 19:05
Queued up this weekend as part of the x86/fpu changes slated for the upcoming Linux 5.8 cycle is low-level functionality necessary for supporting other current and future Intel CPU features...

GCC 11 Picks Up A New Option For Large Source Files

Mon, 05/18/2020 - 18:40
When seeing GCC 11 in its early development state pick up a new -flarge-source-files option I was curious what that was all about......

Linux 5.7-rc6 Released - Torvalds Is Not Entirely Happy Over Its Size

Mon, 05/18/2020 - 08:46
While the past few weeks have seen relatively smaller than usual weekly release candidates, Linux 5.7-rc6 is out this evening and it's bigger than normal...

Enlightenment 0.24 Released

Mon, 05/18/2020 - 05:54
Carsten Haitzler has released Enlightenment 0.24 as the latest significant update to this X11 window manager and Wayland compositor...

Rav1e Sees New Pre-Release With More Speed-Ups, Monochrome Support

Sun, 05/17/2020 - 22:48
Since the release of Rav1e v0.3.1 back in February the "weekly pre-releases" dropped off until this week with there finally being a new tagged milestone...

X-Plane's Vulkan Renderer Maturing, More Performance Optimizations Still Coming

Sun, 05/17/2020 - 20:39
The folks at Laminar Research published a new blog post this week detailing their latest development work on their Vulkan (and Apple Metal) renderers for the realistic X-Plane flight simulator...

Intel CET Support Still Getting Squared Away For Linux In 2020

Sun, 05/17/2020 - 19:55
Various open-source patches have gone back to at least 2017 for enabling Intel's Control-Flow Enforcement Technology (CET) for the Linux kernel and related components. This is the Intel feature for helping prevent ROP and COP/JOP style attacks via indirect branch tracking and a shadow stack. Recently there has been a fair amount of CET improvements to the various open-source components...

Linux Thunderbolt Support Can Work On Arm Systems

Sun, 05/17/2020 - 18:55
While there aren't yet any Arm SoCs we are aware of at least offering Thunderbolt connectivity, that will eventually change with at least USB4 being based on Thunderbolt. But in any case Thunderbolt software support can work on Arm today if using a Thunderbolt add-in PCIe card...

Zstd Compression Under Review For OpenZFS

Sun, 05/17/2020 - 18:38
The ZFS file-system has long offered transparent file-system compression via the likes of LZ4 and Gzip and while now Zstd compression is under review for OpenZFS and seeking testing from the community...

GCC 11 Proposal Would Default To C++17 Level Features

Sun, 05/17/2020 - 12:09
Since last year's GCC 9 release the C++17 support has been considered stable and with the changeover to it as the default C++ dialect having not happened for the recent GCC 10 release, developers are now looking at increasing the default C++ version to 17 for next year's GCC 11 release...

Patches Proceed For Disabling Radeon AGP GART, Deprecating TTM AGP

Sun, 05/17/2020 - 07:33
Several days back was the proposal to "remove AGP support" from Radeon/Nouveau/TTM. This did formulate into a set of patches that would disable the AGP mode in the Radeon driver and deprecate the AGP code in TTM memory management. However, as was pointed out in the ensuing discussion, AGP graphics cards will still be operable on Linux with this level of deprecation by using the PCI GART mode...

100+ Linux Benchmarks Between The AMD Ryzen 7 4700U vs. Intel Core i7 1065G7

Sun, 05/17/2020 - 03:19
This week I began benchmarking the AMD Ryzen 7 4700U on Linux using the new Lenovo IdeaPad featuring this new Zen 2 "Renoir" APU. The initial CPU benchmarks were quite positive as were the Vega graphics comparison tests. Amid other follow-up articles for AMD Renoir Linux support/performance, for your weekend viewing pleasure are a large set of data points between the Ryzen 7 4700U up against the Intel Core i7 1065G7 "Ice Lake" processor...

DXVK 1.7 Released - Makes Use Of New Vulkan Extensions, Game Fixes

Sat, 05/16/2020 - 23:41
DXVK 1.7 is out this weekend as the important library translating Direct3D 9/10/11 usage into Vulkan API and is leveraged by the likes of Steam Play for running modern Windows games on Linux...

XDC2020 Call For Proposals - X.Org Developers For Now Still Planning To Meet In Poland

Sat, 05/16/2020 - 21:00
For now at least the in-person X.Org Developers' Conference is still on with plans for X.Org/Wayland/Mesa developers to meet in Gdańsk, Poland for their annual conference...

Intel Submits Last Batch Of Graphics Feature Code For Linux 5.8 - SAGV For Tiger Lake

Sat, 05/16/2020 - 20:09
Intel's open-source graphics driver team on Friday sent in a final set of kernel graphics driver updates targeting the upcoming Linux 5.8 cycle...

GCC 11 Enables Co-Routines Support In C++20 Mode

Sat, 05/16/2020 - 18:55
The recently released GCC 10 compiler landed initial coroutines support for this major C++20 feature but wasn't enabled unless explicitly enabling that option...

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